Contains the following plans and drawings too large to be included in the other volumes of John Rennie papers. (i) Aberdeen, harbour mouth, undated; (ii) Ardglass, sections of harbour, undated; (iii) Plant for Billinge's silk mill, undated; (iv) Bridlington harbour, undated; (v) Shore near Charlestown, by Robert Beaumont, 1807; (vi) Proposed railway from Dunleary to Dalkey, 1815; (2 sheets) (vii) Ordnance ground at Harwich with situation of two proposed lights, circa 1808; (viii) Holyhead harbour, undated; (3 sheets) (ix) Sugar mill at Jamaica, undated; (x) River Lea from Hertford to Bow Bridge, undated; (xi) East Fen drainage, undated; (xli) Cast iron bridge at Lucknow, 1812; (xiii) Sugar mill for Underwood and Company, undated; (xiv) Plumber block for unspecified rolling mill, undated; (xv) Cross section of a harbour, (possibly Plymouth), undated. (xvi) Designs for Musselburgh bridge, 1803 (2 sheets).